What capacity does the BatteryEVO WALRUS G4 Expansion Pack add to my system?

The BatteryEVO WALRUS G4 Expansion Pack provides an additional 23 kWh (260 Ah) of battery capacity, enhancing your system’s energy storage capabilities.

Is the BatteryEVO WALRUS G4 Expansion Pack compatible with existing WALRUS G4 systems?

Yes, this expansion pack is designed to seamlessly integrate with compatible WALRUS G4 and G4 Plus systems, allowing for easy scalability of your energy storage.

What are the main specifications of the BatteryEVO WALRUS G4 Expansion Pack?

The expansion pack features a 96V system voltage, uses NMC chemistry, and has a capacity of 23 kWh with a maximum charge voltage of 99.6 V, suitable for various backup and off-grid applications.

How easy is it to monitor the status of my BatteryEVO WALRUS G4 Expansion Pack?

The expansion pack includes real-time LED system monitoring, enabling you to easily keep track of its performance and status at a glance.

Can multiple BatteryEVO WALRUS G4 Expansion Packs be connected together?

Yes, the design allows for parallel expansion of up to eight packs, making it flexible for scaling your energy storage as your power needs grow.

BatteryEVO WALRUS G4 Expansion Pack 96V 23 kWh Lithium Battery

BatteryEVO WALRUS G4 / G4+ Expansion Pack — 96V, 23 kWh Lithium Battery

$3,199.00

$3,199.00 $6,377.00

Expand your energy storage with the BatteryEVO WALRUS G4 Extension Pack, adding 23kWh (260Ah) of additional battery capacity to compatible WALRUS G4 and G4 Plus systems. Built with premium NMC cells and an advanced Battery Management System (BMS), it delivers dependable performance, maintenance-free operation, and seamless integration for residential, solar, backup, and off-grid applications.

Designed for maximum flexibility, the WALRUS G4 Extension Pack features real-time LED system monitoring, durable caster wheels for easy positioning, and parallel expansion of up to eight packs, allowing you to scale your energy storage as your power needs grow.

Download spec sheet

System Voltage	96V
Nominal Voltage	96 V
Chemistry	NMC
kWh Capacity	23 kWh
Ah Capacity	260 Ah
Charging Voltage	97.3 V-99.6 V
Max Charge Voltage	99.6 V
Operating Voltage Range	72 V-99.6 V
Suggested Low Voltage Cutoff	72 V-80 V
Cell Configuration	24S2P
Max Continuous Discharge Current	150A
Max Continuous Power	13320W
Max Discharge Peak Current	300A (5 seconds)
Max Charge Current	150A
Charge Temperature Range	-20°C (-4°F) / 55°C (131°F)
Discharge Temperature Range	-20°C (-4°F) / 55°C (131°F)
Optimal Discharge Temperature Range	15°C (59°F) / 35°C (95°F)
Storage Temperature Range	-5°C (23°F) / 35°C (95°F) (Max 6 Months)
Weight	306 lb
Depth	15.4 in
Width	24.41 in
Height	22.13 in

Shipping
Free shipping on orders over $4,000 within the continental U.S. Orders typically ship within 4–6 business days with tracking number provided.

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